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control

[kuh n-trohl] /kənˈtroʊl/
verb (used with object), controlled, controlling.
1.
to exercise restraint or direction over; dominate; command.
2.
to hold in check; curb:
to control a horse; to control one's emotions.
3.
to test or verify (a scientific experiment) by a parallel experiment or other standard of comparison.
4.
to eliminate or prevent the flourishing or spread of:
to control a forest fire.
5.
Obsolete. to check or regulate (transactions), originally by means of a duplicate register.
noun
6.
the act or power of controlling; regulation; domination or command:
Who's in control here?
7.
the situation of being under the regulation, domination, or command of another:
The car is out of control.
8.
check or restraint:
Her anger is under control.
9.
a legal or official means of regulation or restraint:
to institute wage and price controls.
10.
Statistics. control variable (def 1).
11.
a person who acts as a check; controller.
12.
a device for regulating and guiding a machine, as a motor or airplane.
13.
controls, a coordinated arrangement of such devices.
14.
prevention of the flourishing or spread of something undesirable:
rodent control.
15.
Baseball. the ability of a pitcher to throw the ball into the strike zone consistently:
The rookie pitcher has great power but no control.
16.
Philately. any device printed on a postage or revenue stamp to authenticate it as a government issue or to identify it for bookkeeping purposes.
17.
a spiritual agency believed to assist a medium at a séance.
18.
the supervisor to whom an espionage agent reports when in the field.
Origin
late Middle English
1425-1475
1425-75; late Middle English co(u)ntrollen (v.) < Anglo-French contreroller to keep a duplicate account or roll, derivative of contrerolle (noun). See counter-, roll
Related forms
controllable, adjective, noun
controllability, controllableness, noun
controllably, adverb
controlless, adjective
controllingly, adverb
noncontrollable, adjective
noncontrollablely, adverb
noncontrolled, adjective
noncontrolling, adjective
overcontrol, verb (used with object), overcontrolled, overcontrolling, noun
precontrol, noun, verb (used with object), precontrolled, precontrolling.
quasi-controlled, adjective
quasi-controlling, adjective
subcontrol, verb (used with object), subcontrolled, subcontrolling.
supercontrol, noun
uncontrolled, adjective
uncontrolling, adjective
well-controlled, adjective
Synonyms
1. manage, govern, rule. 2. restrain, bridle, constrain. 6. management, government, reign, rule, mastery. See authority.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for controlled
  • We traveled further and controlled more land in a few weeks than what has ever been achieved in military history.
  • They are tightly controlled by families, who have only a paltry stake in the companies at their base.
  • When several great whites congregate, their dominance is expressed with body bumps and controlled biting.
  • Spread by creeping rhizomes and can be invasive if not controlled.
  • Critically, they can even be controlled in cells taken from mice that have been grown using reprogrammed cells.
  • Biologists have controlled the coyote population, and the wolves are thriving.
  • controlled breathing also boosted synchronization, though not to the extent of recitation.
  • It was as controlled a process as traditional peer review.
  • Not as easy as with controlled experiments, but possible nonetheless.
  • There are sections of beach where one can swim with dolphins, but interactions with them are strictly controlled.
British Dictionary definitions for controlled

control

/kənˈtrəʊl/
verb (transitive) -trols, -trolling, -trolled
1.
to command, direct, or rule: to control a country
2.
to check, limit, curb, or regulate; restrain: to control one's emotions, to control a fire
3.
to regulate or operate (a machine)
4.
to verify (a scientific experiment) by conducting a parallel experiment in which the variable being investigated is held constant or is compared with a standard
5.
  1. to regulate (financial affairs)
  2. to examine and verify (financial accounts)
6.
to restrict or regulate the authorized supply of (certain substances, such as drugs)
noun
7.
power to direct or determine: under control, out of control
8.
a means of regulation or restraint; curb; check: a frontier control
9.
(often pl) a device or mechanism for operating a car, aircraft, etc
10.
a standard of comparison used in a statistical analysis or scientific experiment
11.
  1. a device that regulates the operation of a machine. A dynamic control is one that incorporates a governor so that it responds to the output of the machine it regulates
  2. (as modifier): control panel, control room
12.
(spiritualism) an agency believed to assist the medium in a séance
13.
Also called control mark. a letter, or letter and number, printed on a sheet of postage stamps, indicating authenticity, date, and series of issue
14.
one of a number of checkpoints on a car rally, orienteering course, etc, where competitors check in and their time, performance, etc, is recorded
Derived Forms
controllable, adjective
controllability, controllableness, noun
controllably, adverb
Word Origin
C15: from Old French conteroller to regulate, from contrerolle duplicate register, system of checking, from contre-counter- + rolleroll
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for controlled
adj.

1580s, past participle adjective from control (v.). Of rent, from c.1930.

control

v.

early 14c., "to check, verify, regulate," from Anglo-French contreroller "exert authority," from Medieval Latin contrarotulus "a counter, register," from Latin contra- "against" (see contra) + rotulus, diminutive of rota "wheel" (see roll (n.)). From a medieval method of checking accounts by a duplicate register. Sense of "dominate, direct" is mid-15c. Related: Controlled; controlling.

Control group in scientific experiments is attested from 1952 (from a sense of control attested since 1875).

n.

1580s, from control (v.). Control freak is late 1960s slang.

Online Etymology Dictionary, © 2010 Douglas Harper
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controlled in Medicine

control con·trol (kən-trōl')
v. con·trolled, con·trol·ling, con·trols

  1. To verify or regulate a scientific experiment by conducting a parallel experiment or by comparing with another standard.

  2. To hold in restraint; check.

n.
  1. A standard of comparison for checking or verifying the results of an experiment.

  2. An individual or group used as a standard of comparison in a control experiment.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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controlled in Science
control
  (kən-trōl')   
A standard of comparison for checking or verifying the results of an experiment. In an experiment to test the effectiveness of a new drug, for example, one group of subjects (the control group) receives an inactive substance or placebo , while a comparison group receives the drug being tested.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Idioms and Phrases with controlled
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

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